Entangled Systems: New Directions in Quantum Physics

Jürgen Audretsch3527406840, 9783527406845, 9783527619160

An introductory textbook for advanced students of physics, chemistry and computer science, covering an area of physics that has lately witnessed rapid expansion. The topics treated here include quantum information, quantum communication, quantum computing, teleportation and hidden parameters, thus imparting not only a well-founded understanding of quantum theory as such, but also a solid basis of knowledge from which readers can follow the rapid development of the topic or delve deeper into a more specialized branch of research. Commented recommendations for further reading as well as end-of-chapter problems help the reader to quickly access the theoretical basics of future key technologies.

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Table of contents :
Cover Page……Page 1
Title: Entangled Systems……Page 4
ISBN 3527406840……Page 5
2 Basic Concepts of Quantum Theory……Page 6
5 Shannon’s Entropy and Classical Information……Page 7
8 Entanglement……Page 8
10 There is no (Local-Realistic) Alternative to Quantum Theory……Page 9
13 Generalised Measurements, POVM……Page 10
15 Decoherence and Approaches to the Description of the Quantum Measurement Process……Page 11
References, Index……Page 12
Preface to the English Edition……Page 13
Preface to the German Edition……Page 14
1 The Mathematical Framework……Page 17
2 Basic Concepts of Quantum Theory……Page 39
3 The Simplest Quantum Systems: Qubits……Page 65
4 Mixed States and the Density Operator……Page 89
5 Shannon’s Entropy and Classical Information……Page 105
6 The von Neumann Entropy and Quantum Information……Page 119
7 Composite Systems……Page 131
8 Entanglement……Page 159
9 Correlations and Non-Local Measurements……Page 185
10 There is no (Local-Realistic) Alternative to Quantum Theory……Page 199
11 Working with Entanglement……Page 215
12 The Quantum Computer……Page 235
13 Generalised Measurements, POVM……Page 263
14 The General Evolution of an Open Quantum System and Special Quantum Channels……Page 289
15 Decoherence and Approaches to the Descrip-tion of the Quantum Measurement Process……Page 305
16 Two Implementations of Quantum Operations……Page 323
References……Page 331
Subject Index (with page links)……Page 347
Back Page……Page 355